SynthesisJournal of the American Heart Association2021
Effect of Religious Fasting in Ramadan on Blood Pressure: Results From LORANS (London Ramadan Study) and a Meta-Analysis.
Synthesis in Journal of the American Heart Association, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 31 papers, 3 of them syntheses that pooled it.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
31 citing papers in PubMed, 3 syntheses or guidelines pooled it.
- Effectiveness and safety of intermittent fasting on blood pressure in adults with overweight or obesity: a systematic review.International journal of obesity (2005) · 2025Pooled it
- The impacts of Ramadan fasting for patients with non-alcoholic fatty liver disease (NAFLD): a systematic review.Frontiers in nutrition · 2023Pooled it
- Religious fasting and its impacts on individual, public, and planetary health: Fasting as a "religious health asset" for a healthier, more equitable, and sustainable society.Frontiers in nutrition · 2022Pooled it
- Effects of dietary nitrate supplementation on peak oxygen uptake following 10 days of Ramadan fasting in healthy adults.Experimental physiology · 2026Trial
- Effects of Modified Ramadan Fasting on Mental Well-Being and Biomarkers in Healthy Adult Muslims - A Randomised Controlled Trial.International journal of behavioral medicine · 2025Trial
- Effect of intermittent Islamic fasting in management of metabolic syndrome: a randomized control trial.BMC public health · 2025Trial
- 24-Hour Ambulatory Blood Pressure Monitoring during Ramadan Fasting: A Three-Year Cross-Sectional Study From a Tertiary Medical Center in Turkey.Journal of clinical hypertension (Greenwich, Conn.) · 2026Article
- The effect of fasting Ramadan on type 2 diabetes: A narrative review and practice update.Journal of family medicine and primary care · 2026Review
- Fasting as a Multisystem Health Modulator: A Narrative Review of Metabolic, Cardiovascular, Immune, Neurocognitive, and Psychospiritual Effects.Current nutrition reports · 2026Review
- The Impact of Ramadan Fasting on Glycemic and Blood Pressure Control in a Large Saudi Arabian Cohort with Type 2 Diabetes and Hypertension: A Longitudinal Interrupted Time Series Analysis.Health services insights · 2026Article
- Wrist-based wearable oscillometric blood pressure monitoring during Ramadan: a comparative study with standard devices.Frontiers in cardiovascular medicine · 2026Article
- The Impact of Ramadan Fasting on Endothelial Function, Cardiovascular Risk Factors, and Cardiovascular Disease.Journal of clinical medicine · 2025Review
- The impact of healthcare provision on immigrant pregnancy behaviors: the case of Ramadan fasting in Germany.Journal of migration and health · 2025Article
- No evidence for an association between in utero Ramadan exposure and mean arterial pressure and random blood glucose in adulthood: evidence from SEACO in Malaysia.Journal of nutritional science · 2025Article
- N-of-1 health optimization: Digital monitoring of biomarker dynamics to gamify adherence to metabolic switching.PNAS nexus · 2024Article
- Metabolomics of Ramadan fasting and associated risk of chronic diseases.The American journal of clinical nutrition · 2024Observational
- Consensus recommendations on fasting during Ramadan for patients with kidney disease: review of available evidence and a call for action (RaK Initiative).BMC nephrology · 2024Review
- Ramadhan fasting for people living with chronic illness: A narrative literature review.South African family practice : official journal of the South African Academy of Family Practice/Primary Care · 2024Review
- Article
- Risk Stratification in People with Diabetes for Fasting During Ramadan: Consensus from Arabic Association for the Study of Diabetes and Metabolism.Current diabetes reviews · 2024Review
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
9 authors.
Funding
Abstract
Background Ramadan fasting is practiced by hundreds of millions every year. This ritual practice changes diet and lifestyle dramatically; thus, the effect of Ramadan fasting on blood pressure must be determined. Methods and Results LORANS (London Ramadan Study) is an observational study, systematic review, and meta-analysis. In LORANS, we measured systolic blood pressure (SBP) and diastolic blood pressure (DBP) of 85 participants before and right after Ramadan. In the systematic review, studies were retrieved from PubMed, Embase, and Scopus from inception to March 3, 2020. We meta-analyzed the effect from these studies and unpublished data from LORANS. We included observational studies that measured SBP and/or DBP before Ramadan and during the last 2 weeks of Ramadan or the first 2 weeks of the month after. Data appraisal and extraction were conducted by at least 2 reviewers in parallel. We pooled SBP and DBP using a random-effects model. The systematic review is registered with PROSPERO (International Prospective Register of Systematic Reviews; CRD42019159477). In LORANS, 85 participants were recruited; mean age was 45.6±15.9 years, and 52.9% (
Indexed as
Identifiers
What OpenQuestion holds
Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.